LearningBD

Follow us Add us as a preferred source on Google Newsletter Subscribe to our newsletter Archaeologists have recovered a well-preserved bronze sword from a volcanic lake in Italy. The 3,300-year-old weapon may have been deposited in the lake as an offering to a deity or for a high-status warrior who lived long before the rise […]

A spider, when knocked off a wall, doesn’t fall for long. Within milliseconds, it spins a soup of proteins into sturdy climbing gear. Using a thin, shimmering strand of silk, the spider hauls itself back up. The strand is tougher than Kevlar, the synthetic fiber in bike tires and bulletproof vests, and stronger than steel.

Follow us Add us as a preferred source on Google Newsletter Subscribe to our newsletter Artificial intelligence (AI) tools like chatbots are becoming part of everyday life, helping people write messages, answer questions and learn new skills. While some of these processes may save people time, a new study reveals a possible new downside of

Follow us Add us as a preferred source on Google Newsletter Subscribe to our newsletter A male tiger approaches his cubs and greets them with a head-bobbing motion while their mother rests nearby. The surprising interaction, captured in the PBS Nature documentary “Tiger Island,” a two-part series that follows two big-cat families across Nepal. The

Follow us Add us as a preferred source on Google Newsletter Subscribe to our newsletter QUICK FACTS Where is it? Pacific Ocean What’s in the photo? Hurricane Madeline (left) and Hurricane Lester (right) Which satellite took the photo? Suomi NPP When was it taken? Aug. 29, 2016 This eye-catching satellite snap from a decade ago

Follow us Add us as a preferred source on Google Newsletter Subscribe to our newsletter A pioneering NASA space telescope is no more. In sad news for Swifties everywhere, the Neil Gehrels Swift Observatory has officially ended its mission after more than 20 years of tracking the most powerful explosions in the universe since the

Mathematically speaking, democracy is next to impossible. That may sound like the premise of a Silicon Valley billionaire’s six-hour podcast, but it’s actually a statement about a remarkably stubborn problem: How do you translate a group of individual preferences into a single choice? In 1785, the French mathematician and philosopher Nicolas de Condorcet discovered that